drm/i915: Fix typo for wrong LVDS clock setting on IGDNG
authorZhenyu Wang <zhenyuw@linux.intel.com>
Sat, 19 Sep 2009 06:54:06 +0000 (14:54 +0800)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Thu, 17 Sep 2009 21:30:14 +0000 (14:30 -0700)
New register for PCH LVDS on IGDNG should be used.
This is a copy-n-paste typo. This fixes possible dual
channel LVDS panel failure on IGDNG.

Cc: Stable Team <stable@kernel.org>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
drivers/gpu/drm/i915/intel_display.c

index cadb9efdfb1ba10e03d898e313af4892d79fc365..d2f3692be8eb506d7bb8e259885d191616285946 100644 (file)
@@ -877,7 +877,7 @@ intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                                               refclk, best_clock);
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+               if ((I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) ==
                    LVDS_CLKB_POWER_UP)
                        clock.p2 = limit->p2.p2_fast;
                else